Description

m-Terphenyl CAS NO 199-26-8 is a high-purity aromatic hydrocarbon compound belonging to the terphenyl family. This versatile chemical intermediate is valued for its thermal stability and unique molecular structure, making it a critical component in advanced material synthesis. It is primarily sought after by manufacturers in the electronics, specialty polymer, and high-performance material sectors for its role in creating products with enhanced properties.

Application

• Liquid Scintillation Counting: Acts as a primary or secondary fluor (wavelength shifter) in scintillation cocktails for detecting low-energy beta emitters like tritium and carbon-14.
• High-Temperature Heat Transfer Fluids: Used as a component in specialized heat transfer fluids and synthetic oils due to its excellent thermal stability.
• Organic Synthesis Intermediate: Serves as a key building block for synthesizing more complex organic compounds, including advanced ligands and specialty polymers.
• Electronics and Optoelectronics: Employed in the research and development of organic light-emitting diodes (OLEDs) and other electronic materials.
• Polymer Additive: Functions as a stabilizer or property modifier in high-performance engineering plastics to enhance thermal resistance.
• Chemical Research & Development: Utilized in laboratories as a standard or reagent for various photophysical and chemical studies.

Basic Information

Product Name	m-Terphenyl
CAS No.	199-26-8
Molecular Formula	C18H14
Molecular Weight	230.31 g/mol
Synonyms	1,3-Diphenylbenzene; 3-Phenylbiphenyl; meta-Terphenyl; m-Triphenyl; NSC 404080; Benzene, 1,1':3',1''-terphenyl-; [1,1':3',1''-Terphenyl]-3'-yl
EINECS	205-896-5

Quality Control

Our m-Terphenyl is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets the high-purity standards required for sensitive applications like scintillation counting and electronic materials. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	84 - 88 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.